body{font-size:16px;font-family:"Microsoft YaHei",Arial; overflow-x:hidden; overflow-y:auto;}
.viewport{ max-width:640px; min-width:300px; margin:0 auto;}
ul,li{list-style: none;padding: 0;margin: 0}
ul{padding: 20px;}
.blue-font{color: #0A75BD;font-size: 1rem;font-weight: 100;}
.gray-font{color: #737373;font-size: 0.8rem;font-weight:100;margin: 20px 0;margin-top: 10px;}
.gap{margin-bottom:20px; }
